Meet the Zuli Smartplug: a smart device that lets you control your lights, appliances and Nest thermostat from your smartphone. It turns any lamp into a dimmer, allowing you to set the right mood in your rooms. With its presence detection, Zuli knows when you are in a room and chooses the right lighting and temperature settings.
Zuli also serves as an energy consumption monitor. It lets you view energy usage of every appliance in your home. Zuli works with iPhone 4s and later. It works with your Nest to keep your comfortable and automate your home. It is available for under $55 at this time.[where to get it]